Specifications Material ABSColor Black White optional Battery Built in 2000mAh lithium batteryWorking Voltage 5VCharging Mode 500mAh Type C interfacePM2 5 0 999 µg m³PM10 0 999 µg m³HCHO Formaldehyde 0 9 999 mg m³TVOC 0 9 999 mg m³Carbon Monoxide 0 1000 PPMCO2 0 5000 PPMAQI 0 500Temperature 0 70℃Humidity 0 99 RHItem Size 70 x 35 x 90mm 2 76 x 1 38 x 3 54inItem Weight 130g 4 59ozFeatures 1 Wireless ControlCompact Design Equipped with WiFi functionality the device supports remote monitoring via the Tuya or SmartLife app Compact and wall mountable it s highly convenient to use anywhere 2 Multi Functional Air Monitoring Tracks eight critical air parameters including formaldehyde volatile organic compounds PM2 5 PM10 carbon monoxide carbon dioxide temperature and humidity for comprehensive air quality insights 3 Visual Air Quality Display Includes a 2 8 inch TFT color screen with two interface options Air quality levels are color coded for easy understanding enhancing user accuracy and awareness 4 Enhanced Sensor Airflow Design Multiple ventilation holes in the 3D porous housing allow air circulation ensuring sensors effectively measure even smaller particles 5 Long Lasting BatteryVersatile Application Powered by a 2000mAh rechargeable lithium battery with Type C charging suitable for diverse environments such as homes greenhouses vehicles and industrial spaces Package Included 1 x Air Quality Tester